supply of supply and amc of igbt based 3-phase drive propulsion equipmentssupply and amc of igbt based 3-phase drive propulsion equipments,supply of igbt based 3-phase drive propulsion equipments to clw specification no rdso/2008/el/spec/0071, rev.5.issued in june 2016 or latest to clw pl no. 29741075. detailed descripti on as per attached document. [ warranty period: 72 months after the date of delivery ] ] , comprehensive annual maintenance contract [amc] of igbt based 3-phase drive propulsion equipment to specn. no. clw/amc/c-d&d/01 issued in march-2016 [ warranty period: 5 years, amc period: 3 years, rate of discounting: 10 % ] ] at (location) sse/d/mech./mldt, nfr west bengal 1.00 set 3.